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Shadowless glue coating process and system

A coating process and technology of shadowless glue, which is applied in the field of shadowless glue coating technology and systems, can solve the problems of substrate deformation and low heat resistance, and achieve the effect of simple construction and wide application range

Pending Publication Date: 2021-10-22
FOSHAN SHUNDE PURETE MECHANICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The disadvantages of the traditional hot-melt adhesive process are: 1. After the substrate and the fabric are bonded, they need to be cured for at least 24 hours to achieve the best composite state; 2. The hot-melt adhesive process on the market usually uses roller pressing. Gluing, where the rollers used for rolling need to be heated and contact the surface of the substrate to achieve the action of gluing, and some substrates with low heat resistance will be deformed; 3. Before each use of the equipment, it is necessary to sol and roller heating operation

Method used

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  • Shadowless glue coating process and system
  • Shadowless glue coating process and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] refer to figure 1 , a shadowless glue coating system, including a conveyor belt 700, a dust remover 100, a double-roller coater 200, a positioning conveyor, a roller press 400, a bevel cutter 500 and a UV drying machine are arranged in sequence along the workpiece conveying direction Machine 600, the material of the pressure roller of roller press 400 is the rubber of hardness 55 °, is provided with the UV lamp that is used for preliminary curing on the roller press 400, and the UV lamp of the present embodiment is an electrodeless mercury lamp, and is provided with on the roller press 400 The fabric unwinding device, the positioning conveyor in this embodiment is the centering machine 300.

[0028] Adopt the shadowless glue coating system of the present embodiment to carry out the shadowless glue coating process, comprising the following steps:

[0029] S1: The conveyor belt 700 carries the plate through the dust removal machine 100, and the dust removal machine 100 p...

Embodiment 2

[0034] refer to figure 1 , a shadowless glue coating system, including a conveyor belt 700, a dust remover 100, a double-roller coater 200, a positioning conveyor, a roller press 400, a bevel cutter 500 and a UV drying machine are arranged in sequence along the workpiece conveying direction Machine 600, the pressure roller material of roller press 400 is the rubber of hardness 60 °, is provided with the UV lamp that is used for initial curing on the roller press 400, and the UV lamp of present embodiment is LED lamp, is provided with fabric on the roller press 400 As for the unwinding device, the positioning conveyor in this embodiment is a centering machine 300 .

[0035] Adopt the shadowless glue coating system of the present embodiment to carry out the shadowless glue coating process, comprising the following steps:

[0036] S1: Use a dust removal machine 100 to remove dust from the surface of the board;

[0037] S2: Use double roll coater 200 to apply shadowless glue to ...

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Abstract

The invention discloses a shadowless glue coating process and system. The process comprises the following steps that S1, the surfaces of plates are subjected to dust removal; S2, the dedusted plates are subjected to roller coating with shadowless glue, then fabric is pressed and attached, and then preliminary curing is conducted through UV light; S3, the fabric connected between the front plate and the rear plate is cut off; and S4, full curing is conducted on coating films through UV light. The system comprises a dust removing machine, a double-roller coating machine, a positioning conveyor, a roller press, an inclined cutting machine and a UV drying machine which are sequentially arranged in the workpiece conveying direction. According to the shadowless glue coating process and system, the shadowless glue is used, and therefore a workpiece subjected to attachment can achieve a curing effect within 20 seconds or instantly after being cured by UV light; the process is easy to implement, production and proofing can be carried out at any time, and heating is not needed in the whole production process; and a base material which is used is wide in application range, and the base material and the fabric which deform after being heated can be attached.

Description

technical field [0001] The invention belongs to the technical field of plate processing, and in particular relates to a shadowless glue coating process and system. Background technique [0002] The methods currently on the market for surface bonding of boards usually use PUR hot melt adhesives for the bonding process of substrates and fabrics. Traditional hot-melt adhesive bonding process: PUR hot-melt adhesive is melted by a hot-melt machine, and the glue that reaches 120°C is supplied to the rollers on the glue applicator. The substrate needs to be preheated for the first time before applying the glue. So that the glue applied on the base material will not be cooled and accelerated aging, the base material is pressed down by the roller with a temperature as high as 120°C to achieve the glue application action, and after the glue is applied, it enters the fitting part so that the fabric and the glue are applied The substrates are bonded together, and then the workpiece is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C65/52B29C65/48B29C65/78B29L7/00
CPCB29C65/521B29C65/4845B29C65/7861B29C66/45B29L2007/002
Inventor 杨显涛李杰霍韵辉
Owner FOSHAN SHUNDE PURETE MECHANICAL CO LTD
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